243561855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{1123}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 411114240

約数和(自身を除く): 167552385

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 761, 1123, 2283, 3369, 3805, 5615, 11415, 14459, 16845, 21337, 43377, 64011, 72295, 106685, 216885, 320055, 854603, 2563809, 4273015, 12819045, 16237457, 48712371, 81187285, 243561855]

約数ペア:

[(1, 243561855), (3, 81187285), (5, 48712371), (15, 16237457), (19, 12819045), (57, 4273015), (95, 2563809), (285, 854603), (761, 320055), (1123, 216885), (2283, 106685), (3369, 72295), (3805, 64011), (5615, 43377), (11415, 21337), (14459, 16845)]